/Engine/Source/Runtime/CoreUObject/Public/Serialization/EditorBulkData.h
Use this override if you want compute PayloadId before updating the bulkdata
void UpdatePayload ( [FSharedBufferWithID](API\Runtime\CoreUObject\Serialization\FEditorBulkData\FSharedBufferWithID) InPayload, [UObject](API\Runtime\CoreUObject\UObject\UObject) * Owner )